Red Tide

Red tide is a common name for a phenomenon known as an algal bloom (large concentrations of aquatic microorganisms) when it is caused by a few species of dinoflagellates and the bloom takes on a red or brown color. Red tides are events in which estuarine, marine, or fresh water algae accumulate rapidly in the water column, resulting in discoloration of the surface water. It is usually found in coastal areas.

These algae, known as phytoplankton, are single-celled protists, plant-like organisms that can form dense, visible patches near the water's surface. Certain species of phytoplankton, dinoflagellates, contain photosynthetic pigments that vary in color from green to brown to red.

When the algae are present in high concentrations, the water appears to be discolored or murky, varying in color from purple to almost pink, normally being red or green. Not all algal blooms are dense enough to cause water discoloration, and not all discolored waters associated with algal blooms are red. Additionally, red tides are not typically associated with tidal movement of water, hence the preference among scientists to use the term algal bloom.

Some red tides are associated with the production of natural toxins, depletion of dissolved oxygen or other harmful effects, and are generally described as harmful algal blooms. The most conspicuous effects of these kind of red tides are the associated wildlife mortalities of marine and coastal species of fish, birds, marine mammals, and other organisms.

Read more about Red Tide:  Overview, Definition, Causes, Notable Occurrences

Other articles related to "red tide, red tides":

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... See also Algae bloom and Red tide An algae bloom is the appearance of a large amount of algae or scum floating on the surface of a body of water ... Red tide is the name commonly given to an algal bloom of Karenia brevis, a microscopic marine dinoflagellate which is common in Gulf of Mexico waters ... oysters and other shellfish contaminated with the red tide toxin ...
Red Tide (band)
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... re-entered the studio in fall 2008 to work on the Hazmat Bay album titled "The Red Tide" ... The Red Tide came out in June 2009 ... a small west coast tour in support of "The Red Tide" in August 2009 ...
Justin Foley - Biography - Early Life
... in a Connecticut thrash/jazz metal band called Red Tide ... Red Tide began as a thrash metal outfit in 1993 then evolved into a jazz metal band in the late 90's ... As the primary lyricist and one of the songwriters for Red Tide, Foley earned local celebrityhood ...
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... 1972 A red tide was caused in New England by a toxic dinoflagellate Alexandrium (Gonyaulax) tamarense ... The red tides caused by the dinoflagellate Gonyaulax are serious because this organism produces saxitonin gonyautoxins which accumulate in shellfish and if ingested may ... No deaths of humans have been attributed to Florida red tide, but people may experience respiratory irritation (coughing, sneezing, and tearing) when the ...

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